Hampton Catlin is the inventor of the Haml and Sass markup languages. Also, he has been the Mobile Software Developer for the Wikimedia Foundation since 2008, where his mobile software serves 725 million users a month.
He has also worked on several other iPhone and other mobile applications, especially Dictionary! (iPhone, Android, and WebOS) which is used by 100 million users a month and growing.
Hampton is currently working with Moovweb to build a next generation mobile platform for converting traditional websites into device-specific experiences.